First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke.
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Product details
| Management number | 17869902 | Release Date | 2025/10/07 | List Price | $34.20 | Model Number | 17869902 | ||
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The First Alert BRK SC9120B is a high-performance, hardwired smoke and carbon monoxide (CO) detector designed for reliable home safety. Featuring dual detection technology, it uses ionization sensing to detect fast flaming fires and an electrochemical sensor to accurately identify carbon monoxide—the silent, odorless threat. With a loud 85-decibel alarm and a battery backup, this unit ensures continuous protection even during power outages. Ideal for residential use, it is designed for easy installation and interconnects with up to 18 compatible alarms to provide whole-home coverage.
Key Features:
Dual Detection Technology: Ionization sensor for smoke and electrochemical sensor for carbon monoxide.
Hardwired with Battery Backup: 120V AC power with 9V battery backup for uninterrupted operation.
Loud 85 dB Alarm: Alerts you loudly in the event of smoke or CO detection.
Interconnectable: Link up to 18 First Alert or BRK devices for comprehensive safety across your home.
| Category | Home > Home appliances |
|---|---|
| Size | N/A |
| Brand | First Alert |
| Condition | New |
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